"There's a move in the health sector — and I'm not a nutritionist — away from trans fats and more towards sources of fat."

The holiday season is one of the biggest draws on butter, the supply of which will be strained by large-scale needs of businesses that order single 25-kilogram blocks in bulk.

"That's where the supply has really tightened up," he said.

"We understand that the processors, the companies that take our members's cows milk and make butter out of it, that they're holding substantial stocks of butter in anticipation in the run up to the Christmas season."